ScaleRect
BRect ScaleRect(const BRect& rect, float scale);
SetRect(fSetupMsg, "paper_rect", ScaleRect(r, scaleR));
SetRect(fSetupMsg, "printable_rect", ScaleRect(margin, scaleR));
fJobData->SetScaledPaperRect(ScaleRect(paper_rect, scalingR));
fJobData->SetScaledPrintableRect(ScaleRect(printable_rect, scalingR));
fJobData->SetScaledPhysicalRect(ScaleRect(physical_rect, scalingR));
return ScaleRect(fPaperRect, _ZoomFactor());
return ScaleRect(fPrintableRect, _ZoomFactor());
BRect clipRect(ScaleRect(printRect, scaling));